WebMay 5, 2016 · GW method can also help us determine the electron–hole interaction, which is a functional derivative of self-energy with respect to one-particle Green's function, with … WebApr 8, 2024 · Thus, the GW-Bethe-Salpeter equation is useful for gaining deeper understanding into the defect-induced transitions. Here we find that the nature of Q1 and Q2 can be viewed as mixed states of ...
Bethe-Salpeter Equation Calculations of Core Excitation Spectra
WebApr 7, 2024 · Abstract Energies from the GW approximation and the Bethe–Salpeter equation (BSE) are benchmarked against the excitation energies of transition-metal (Cu, Zn, Ag, and Cd) single atoms and monoxide anions. Webfirst-principles GW and GW plus Bethe–Salpeter equation study Meng Wu, Zhenglu Li, and Steven G. Louie* Department of Physics, University of California at Berkeley, Berkeley, California 94720, USA Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA. *Email: [email protected] Abstract royal plush throw
All-electron ab initio Bethe-Salpeter equation approach to …
WebThe Bethe-Salpeter theory is formulated in terms of two-particle propagators. These are four-point functions describing the motion through the system of two particles at once. We will label them L 0 and L, where the subscript zero indicates that the … WebJul 17, 2024 · The ab initio GW plus Bethe–Salpeter equation (GW-BSE, where G is the one particle Green's function and W is the screened Coulomb interaction) approach has emerged as a leading method for predicting excitations in both solids and molecules with a predictive power contingent upon several factors. Among these factors are the (1) … WebThe GW-Bethe-Salpeter equation (BSE) method is promising for calculating the low-lying excitonic states of molecular systems.However, so far it has only been applied to rather … royal plush spa